TI-2023-17167 Aliases CVE-2023-34335 GHSA-gjh4-cqh2-hwv6

Authentication bypass in AMI MegaRAC_SPx

LOW 39CWE-288Published 2023-06-12 · Updated 2025-01-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: None · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-288.

Summary

AMI BMC contains a vulnerability in the IPMI handler, where an unauthenticated host is allowed to write to a host SPI flash, bypassing secure boot protections. An exploitation of this vulnerability may lead to a loss of integrity or denial of service.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00393 33rd percentileScored 2026-11-07

Fix Fixed MegaRAC_SPx (AMI): 13.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
AMI	MegaRAC_SPx	13.0 to before 13.5; 12.0 – 12.7	13.5	Patch available	CNA

MegaRAC_SPx VendorAMI Affected 13.0 to before 13.5; 12.0 – 12.7 Fixed in 13.5 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:ami:megarac_spx::::::::	12.0 to before 12.7; 13.0 to before 13.5	Vulnerable	AMI

cpe:2.3:a:ami:megarac_spx:*:*:*:*:*:*:*:* Versions 12.0 to before 12.7; 13.0 to before 13.5 Vulnerable ·AMI

Remediation

Fix · CNA MegaRAC_SPx (AMI) Fixed in 13.5

Timeline

2026-10-02 Threatist record created from CVE-2023-34335
2026-10-03 Alias added: GHSA-gjh4-cqh2-hwv6

References

Advisory 1

https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/AMI-SA-2023005.pdf

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences